Disengagement of Visual Attention in Infancy Is Associated with Emerging Autism in Toddlerhood

Mayada Elsabbagh, Janice Fernandes, Sara Jane Webb, Geraldine Dawson, Tony Charman, Mark H Johnson, The British Autism Study of Infant Siblings Team

Research output: Contribution to journalArticlepeer-review

289 Citations (Scopus)

Abstract

BACKGROUND: Early emerging characteristics of visual orienting have been associated with a wide range of typical and atypical developmental outcomes. In the current study, we examined the development of visual disengagement in infants at risk for autism. METHODS: We measured the efficiency of disengaging from a central visual stimulus to orient to a peripheral one in a cohort of 104 infants with and without familial risk for autism by virtue of having an older sibling with autism. RESULTS: At 7 months of age, disengagement was not robustly associated with later diagnostic outcomes. However, by 14 months, longer latencies to disengage in the subset of the risk group later diagnosed with autism was observed relative to other infants at risk and the low-risk control group. Moreover, between 7 months and 14 months, infants who were later diagnosed with autism at 36 months showed no consistent increases in the speed and flexibility of visual orienting. However, the latter developmental effect also characterized those infants who exhibited some form of developmental concerns (but not meeting criteria for autism) at 36 months. CONCLUSIONS: Infants who develop autism or other developmental concerns show atypicality in the development of visual attention skills from the first year of life.
Original languageEnglish
Pages (from-to)189-194
Number of pages6
JournalBiological psychiatry
Volume74
Issue number3
Early online date29 Jan 2013
DOIs
Publication statusPublished - 1 Aug 2013

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